This contribution deals with some recent studies on numerical and analytical models for the evaluation of aeroelastic response of cross-section models of long span bridges. The time-domain indicial approach, whose validity has been only partially investigated in the past, is selected for the modeling of self-excited forces. Sets of indicial function coefficients are estimated for rectangular cross-sections, and their applicability is proven, through time-domain simulations and comparison with experimental tests. Critical flutter condition and dynamic pre-critical and post-critical behaviors are evaluated.
Application of indicial function in bridge aeroelasticity / COSTA C.; BORRI C.. - In: JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS. - ISSN 0167-6105. - STAMPA. - n. 94, october 2006:(2006), pp. 859-881.
Application of indicial function in bridge aeroelasticity
BORRI, CLAUDIO
2006
Abstract
This contribution deals with some recent studies on numerical and analytical models for the evaluation of aeroelastic response of cross-section models of long span bridges. The time-domain indicial approach, whose validity has been only partially investigated in the past, is selected for the modeling of self-excited forces. Sets of indicial function coefficients are estimated for rectangular cross-sections, and their applicability is proven, through time-domain simulations and comparison with experimental tests. Critical flutter condition and dynamic pre-critical and post-critical behaviors are evaluated.File | Dimensione | Formato | |
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